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https://www.readbyqxmd.com/read/29167715/quality-of-the-calcium-enriched-mixture-apical-plug-in-simulated-apexification-model-effect-of-different-mixing-and-placement-methods
#1
Saeed Rahimi, Negin Ghasemi, Tahmineh Razi, Akbar Rezaiepour
Background: Presence of voids at root canal wall‒apical seal material interface gives rise to the entrapment of toxins and microorganisms, which might have a relationship with post treatment disease. The present study was carried out to evaluate the effect of different mixing (manual and ultrasonic) and placement (manual and manual in association with indirect ultrasonic) methods of Calcium-enriched Mixture (CEM) cement on the number and dimensions of voids in the apical plug in simulated apexification models...
October 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29101761/the-correlation-of-gene-expression-of-inflammasome-indicators-and-impaired-fertility-in-rat-model-of-spinal-cord-injury-a-time-course-study
#2
Banafsheh Nikmehr, Mahshid Bazrafkan, Gholamreza Hassanzadeh, Abdolhossein Shahverdi, Mohammad Ali Sadighi Gilani, Sahar Kiani, Tahmineh Mokhtari, Farid Abolhassani
PURPOSE: Expression assessment of the inflammasome genes in the acute and the chronic phases of Spinal cord injury (SCI) on adult rat testis and examination of associations between inflammasome complex expression and sperm parameters. MATERIALS AND METHODS: In this study, 25 adult male rats were randomly divided into 5 groups. SCI surgery was performed at T10-T11 level of rats' spinal cord in four groups (SCI1, SCI3, SCI7, and SCI56). They were sacrificed after 1day, 3days, 7days and 56 days post SCI, respectively...
November 4, 2017: Urology Journal
https://www.readbyqxmd.com/read/29034738/chemodiversity-of-nepeta-menthoides-boiss-bohse-essential-oil-from-iran-and-antimicrobial-acetylcholinesterase-inhibitory-and-cytotoxic-properties-of-1-8-cineole-chemotype
#3
Niloofar Kahkeshani, Abbas Hadjiakhoondi, Latifeh Navidpour, Tahmineh Akbarzadeh, Malihe Safavi, Elahe Karimpour-Razkenari, Mahnaz Khanavi
The essential oil of Nepeta menthoides Boiss. & Bohse., from Iran, was analysed by GC/MS. Two types of multivariate analyses were done based on the chemical composition of the investigated sample in this study and 12 other samples reported in the literature to show the chemodiversity in essential oil composition. Antimicrobial, acetylcholinesterase inhibitory and cytotoxic activities of the essential oil and its major component were assessed. Twenty-one compounds were identified, representing 96.81% of the total oil and the major constituent was 1,8-cineole (70...
October 15, 2017: Natural Product Research
https://www.readbyqxmd.com/read/29034676/lipid-peroxidation-and-its-role-in-the-expression-of-nlrp1a-and-nlrp3-genes-in-testicular-tissue-of-male-rats-a-model-of-spinal-cord-injury
#4
Mahshid Bazrafkan, Banafsheh Nikmehr, Abdolhossein Shahverdi, Seyed Reza Hosseini, Fatemeh Hassani, Mahnaz Poorhassan, Tahmineh Mokhtari, Farid Abolhassani, Hamid Choobineh, Cordian Beyer, Gholamreza Hassanzadeh
BAckground: The majority of male patients with spinal cord injury (SCI) suffer from infertility. Nucleotide-binding oligomerization domain-like receptors NOD-like receptors (NLRs) are a kind of receptors that corporate in the inflammasome complex. Recent studies have introduced the inflammasome as the responsible agent for secreting cytokines in semen. Reactive oxygen species (ROS) is one of the elements that trigger inflammasome activation. Genital infections in SCI can lead to ROS generation...
October 16, 2017: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/28942344/recent-advances-in-nanowires-based-field-effect-transistors-for-biological-sensor-applications
#5
REVIEW
Rafiq Ahmad, Tahmineh Mahmoudi, Min-Sang Ahn, Yoon-Bong Hahn
Nanowires (NWs)-based field-effect transistors (FETs) have attracted considerable interest to develop innovative biosensors using NWs of different materials (i.e. semiconductors, polymers, etc.). NWs-based FETs provide significant advantages over the other bulk or non-NWs nanomaterials-based FETs. As the building blocks for FET-based biosensors, one-dimensional NWs offer excellent surface-to-volume ratio and are more suitable and sensitive for sensing applications. During the past decade, FET-based biosensors are smartly designed and used due to their great specificity, sensitivity, and high selectivity...
September 18, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28904537/the-effect-of-new-model-prepared-on-obtaining-informed-consent-skill-in-midwifery-students-of-shahid-sadoughi-university-of-medical-sciences
#6
Tahmineh Farajkhoda, Mahshid Bokaie, Mahmoud Abbasi, Saeedeh NajafiHedeshi, Zahra Alavi, Mahin Rahimdel
BACKGROUND: Professional ethics culture should be taught to students appropriately. Studies have shown that midwifery students are not entirely familiar with the skill of obtaining informed consent. Using a new and applicable model to teach this skill to midwifery students is necessary. This study was conducted to determine the effect of a new standard model, PREPARED, on the skill of obtaining informed consent in midwifery students of Shahid Sadoughi University of Medical Sciences. MATERIALS AND METHODS: This interventional study was conducted on 37 5(th) semester midwifery students through a census method...
July 2017: Iranian Journal of Nursing and Midwifery Research
https://www.readbyqxmd.com/read/28871488/radio-protective-effects-of-melatonin-on-subventricular-zone-in-irradiated-rat-decrease-in-apoptosis-and-upregulation-of-nestin
#7
Shafigheh Naseri, Seyed Mohammad Hossein Noori Moghahi, Tahmineh Mokhtari, Mehrdad Roghani, Ali Reza Shirazi, Fatemeh Malek, Tayebeh Rastegar
Neural stem cells are self-renewing, multipotent cells that can be found in subventricular (SVZ) and subgranular (SGZ) zones of the brain. These zones are susceptible to irradiation-induced apoptosis and oxidative stress. Melatonin (MLT) is a natural protector of neural cells against toxicity. The aim of this study was to evaluate the effects of MLT as a radio-protective material effective in reducing tissue lesions in the SVZ of the brain and changing local apoptotic potential in rats. Twenty-five Gray irradiation was applied on adult rat brain for this study...
October 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28836276/the-expression-localization-and-function-of-%C3%AE-7-nicotinic-acetylcholine-receptor-in-rat-corpus-cavernosum
#8
Hedyeh Faghir-Ghanesefat, Nastaran Rahimi, Fatemeh Yarmohammadi, Tahmineh Mokhtari, Ali Reza Abdollahi, Shahram Ejtemaei Mehr, Ahmad R Dehpour
OBJECTIVES: Alpha7 nicotinic acetylcholine receptor (α7-nAChR), an emerging pharmacological target for a variety of medical conditions, is expressed in the most mammalian tissues with different effects. So, this study was designed to investigate the expression, localization and effect of α7-nAChR in rat corpus cavernosum (CC). METHODS & KEY FINDINGS: Reverse transcription polymerase chain reaction (RT-PCR) revealed that α7-nAChR was expressed in rat CC and double immunofluorescence studies demonstrated the presence of α7-nAChR in corporal neurons...
August 24, 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/28791056/accuracy-of-different-topographic-instruments-in-calculating-corneal-power-after-myopic-photorefractive-keratectomy
#9
Alireza Baradaran-Rafii, Sahba Fekri, Mohammad Rezaie, Shahram Salehi-Rad, Ali Moradi, Tahmineh Motevasseli, Masumeh Kalantarion
PURPOSE: To compare the corneal power measurements obtained using different topographic instruments after myopic photorefractive keratectomy (PRK). METHODS: Patients with myopia who were candidates for corneal refractive surgery were sequentially included. Pre-PRK and six months post-PRK corneal powers were measured using Javal manual keratometer, Orbscan II, Galilei, Tomey TMS4, and EyeSys 2000 topographers. Measured values were compared with those obtained using the clinical history method (CHM)...
July 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28761519/comparison-of-postoperative-clinical-outcome-after-repairing-surgery-for-lumbar-spinal-stenosis-between-diabetic-and-nondiabetic-patients
#10
Tahmineh Afsharian, Shirzad Azhari, Babak Mostafazadeh
BACKGROUND: Poorer postoperative outcome is suggested after repairing surgery in diabetic patients with lumbar spinal stenosis in comparison with nondiabetic patients. The present study aimed to compare the clinical outcome of surgery for lumbar spinal stenosis and diabetic and nondiabetic patients to highlight the effect of diabetes on prognosis of this surgical procedure. METHODS: This prospective cohort study is conducted on 25 diabetic patients with lumbar spinal stenosis who were candidate for surgical treatment...
July 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/28720844/highly-efficient-non-enzymatic-glucose-sensor-based-on-cuo-modified-vertically-grown-zno-nanorods-on-electrode
#11
Rafiq Ahmad, Nirmalya Tripathy, Min-Sang Ahn, Kiesar Sideeq Bhat, Tahmineh Mahmoudi, Yousheng Wang, Jin-Young Yoo, Dae-Wook Kwon, Hwa-Young Yang, Yoon-Bong Hahn
There is a major challenge to attach nanostructures on to the electrode surface while retaining their engineered morphology, high surface area, physiochemical features for promising sensing applications. In this study, we have grown vertically-aligned ZnO nanorods (NRs) on fluorine doped tin oxide (FTO) electrodes and decorated with CuO to achieve high-performance non-enzymatic glucose sensor. This unique CuO-ZnO NRs hybrid provides large surface area and an easy substrate penetrable structure facilitating enhanced electrochemical features towards glucose oxidation...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28512548/relationship-between-pulp-tooth-volume-ratios-and-chronological-age-in-different-anterior-teeth-on-cbct
#12
Nima Biuki, Tahmineh Razi, Masoumeh Faramarzi
BACKGROUND: The CBCT imaging technique exhibits proper accuracy to determine the internal anatomy of teeth. Therefore, this technique can use to estimate age by measuring the amount of decrease in the volume of the pulpal cavity of teeth. The aim of the present study was to evaluate the correlation between chronological age and pulp-to-tooth volume ratios in anterior teeth with the use of the CBCT technique and to determine a regression model to estimate human age. MATERIAL AND METHODS: In this present descriptive-analytical study, 122 subjects (46 males and 76 females), with an age range of 13-70 years, were evaluated...
May 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28494166/ocular-safety-of-intravitreal-connective-tissue-growth-factor-neutralizing-antibody
#13
Tahmineh Motevasseli, Narsis Daftarian, Mozhgan Rezaei Kanavi, Hamid Ahmadieh, Abouzar Bagheri, Seyed Bagher Hosseini, Shabnam Ansari, Zahra-Soheila Soheili
PURPOSE: To detect the safety of intravitreal injection of anti-connective tissue growth factor (CTGF) (IVAC) in rat eyes in order to apply this neutralizing antibody for experimental animal studies. METHODS: Forty-five Lister Hooded male pigmented rats were divided into five groups that received IVAC (2 μl) corresponding to the doses of 10 (B), 20 (C), 50 (D), and 100 μg/ml (E), equal to 1.25, 2.5, 6.25, and 12.5 µg/ml of antibody concentration in rat vitreous, respectively...
August 2017: Current Eye Research
https://www.readbyqxmd.com/read/28462397/an-overview-on-ethical-considerations-in-stem-cell-research-in-iran-and-ethical-recommendations-a-review
#14
REVIEW
Tahmineh Farajkhoda
Conducting research on the stem cell lines might bring some worthy good to public. Human Stem Cells (hSCs) research has provided opportunities for scientific progresses and new therapies, but some complex ethical matters should be noticed to ensure that stem cell research is carried out in an ethically appropriate manner. The aim of this review article is to discuss the importance of stem cell research, code of ethics for stem cell research in Iran and ethical recommendation. Generation of stem cells for research from human embryo or adult stem cells, saving, maintenance and using of them are the main ethical, legal and jurisprudence concerns in Iran...
February 2017: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/28417026/cardiovascular-complications-of-acute-amphetamine-abuse-cross-sectional-study
#15
Elham Bazmi, Farinaz Mousavi, Leila Giahchin, Tahmineh Mokhtari, Behnam Behnoush
OBJECTIVES: This study aimed to evaluate cardiovascular complications among patients who abuse amphetamines. METHODS: This cross-sectional study took place between April 2014 and April 2015 among 3,870 patients referred to the Toxicology Emergency Department of Baharlou Hospital, Tehran University of Medical Sciences, Tehran, Iran. Those with clinical signs of drug abuse and positive urine screening tests were included in the study, while cases of chronic abuse were excluded...
February 2017: Sultan Qaboos University Medical Journal
https://www.readbyqxmd.com/read/28367649/the-relationship-between-delivery-mode-and-children-s-growth-from-birth-to-6-months
#16
Fahimeh Sehhatie Shafaie, Mohammad Asghari Jafarabadi, Majid Mahalleie, Tahmineh Malekzadeh, Mohammad Malekzadeh
BACKGROUND: Children's growth is one of the important components of health affected by various environmental factors like delivery type. This study aimed at determining the relationship between delivery mode and children's growth from birth to 6 months. METHODS: In this prospective cohort study, the growth indices were studied among 526 children (272 Natural Vaginal Deliveries (NVDs) and 254 Caesarean sections (C/S) who were only breastfed. The primary samples consisted of pregnant women referred to Yasuj and Gachsaran Hospitals and health centers in 2014-2015...
May 10, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28351943/apc-inactivation-but-not-obesity-synergizes-with-pten-deficiency-to-drive-intestinal-stem-cell-derived-tumorigenesis
#17
Tahmineh Tabrizian, Donghai Wang, Fangxia Guan, Zunju Hu, Amanda P Beck, Fabien Delahaye, Derek M Huffman
Obesity is a major risk factor for colorectal cancer and can accelerate Lgr5+ intestinal stem cell (ISC)-derived tumorigenesis after the inactivation of Apc However, whether non-canonical pathways involving PI3K-Akt signaling in ISCs can lead to tumor formation, and if this can be further exacerbated by obesity is unknown. Despite the synergy between Pten and Apc inactivation in epithelial cells on intestinal tumor formation, their combined role in Lgr5+-ISCs, which are the most rapidly dividing ISC population in the intestine, is unknown...
June 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28300875/short-term-buserelin-administration-induces-apoptosis-and-morphological-changes-in-adult-rat-testes
#18
Behnaz Khadivi, Tahmineh Peirouvi, Masumeh Zirak JavanmardI, Yousef Rasmi
PURPOSE: To investigate the effect of buserelin on gonadal structure and function in adult male rats. METHODS: Twenty-four adult Wistar male rats were divided into three groups: two treated groups and controls. The first and second treated groups received 300 (low dose) and 500 (high dose) µg/kg buserelin, respectively, and the control group received normal saline. All groups were treated subcutaneously for five days. RESULTS: The seminiferous tubular epithelial thickness was significant decreased in the treated groups compared with those in the control...
February 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28299003/comparison-between-two-scheimpflug-anterior-segment-analyzers
#19
Alireza Baradaran-Rafii, Tahmineh Motevasseli, Forouzan Yazdizadeh, Farid Karimian, Sahba Fekri, Amir Baradaran-Rafii
PURPOSE: To compare the anterior segment indices measured by two Scheimpflug camera machines; Galilei and Pentacam. METHODS: In this observational case series, the anterior segment indices of myopic healthy subjects seeking for refractive surgery were measured by Pentacam and Galilei on the same day. Analyzed parameters were anterior and posterior best fit spheres (BFS), axial curvature, true corneal power, central corneal thickness (CCT), anterior chamber (AC) depth, AC volume, AC angle, and pupil diameter...
January 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28298973/effect-of-different-mixing-and-placement-methods-on-the-quality-of-mta-apical-plug-in-simulated-apexification-model
#20
Negin Ghasemi, Maryam Janani, Tahmineh Razi, Faezeh Atharmoghaddam
BACKGROUND: It is necessary apical plug material to exhibit proper adaptation with the root canal walls. Presence of voids at the interface between the root canal wall and this material result in micro leakage, which might have a relationship with post treatment disease. The aim of the present study was to evaluate the effect of different mixing (manual and ultrasonic) and placement (manual and manual in association with indirect ultrasonic) method of Mineral Trioxide Aggregate (MTA) on the void count and dimension in the apical plug in natural teeth with simulated open apices...
March 2017: Journal of Clinical and Experimental Dentistry
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